Fire-rated doors are among the most critical elements in a building's fire safety strategy. These specialized doors are designed to prevent the spread of flames, smoke, and heat during a fire, providing essential protection for both lives and property.The effectiveness of a fire-rated door is measured in minutes—20, 45, 60, 90, or 180—indicating the duration it can withstand intense heat and prevent fire from spreading. For instance, a 20-minute rated...
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